com.hazelcast.memory

Class MemoryBlock

java.lang.Object

com.hazelcast.memory.MemoryBlock

public class MemoryBlock
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
protected long	address
protected int	size

Constructor Summary

Constructors

Modifier	Constructor and Description
	MemoryBlock()
	MemoryBlock(com.hazelcast.internal.memory.GlobalMemoryAccessor memoryAccessor)
protected	MemoryBlock(com.hazelcast.internal.memory.GlobalMemoryAccessor memoryAccessor, long address, int size)
	MemoryBlock(long address, int size)

Method Summary

Modifier and Type	Method and Description
long	address()
void	copyFrom(long destinationOffset, Object source, long offset, int length) Copies bytes from source object to this MemoryBlock.
void	copyFromByteArray(long destinationOffset, byte[] source, int offset, int length) Copies bytes from source byte-array to this MemoryBlock.
void	copyTo(long sourceOffset, Object destination, long offset, int length) Copies bytes from this MemoryBlock to given destination object.
void	copyToByteArray(long sourceOffset, byte[] destination, int offset, int length) Copies bytes from this MemoryBlock to given byte-array.
boolean	equals(Object o)
int	hashCode()
byte	readByte(long offset)
char	readChar(long offset)
double	readDouble(long offset)
float	readFloat(long offset)
int	readInt(long offset)
long	readLong(long offset)
short	readShort(long offset)
protected void	setAddress(long address)
protected void	setSize(int size)
int	size()
String	toString()
void	writeByte(long offset, byte value)
void	writeChar(long offset, char value)
void	writeDouble(long offset, double value)
void	writeFloat(long offset, float value)
void	writeInt(long offset, int value)
void	writeLong(long offset, long value)
void	writeShort(long offset, short value)
void	zero()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

address

protected long address

size

protected int size

Constructor Detail

MemoryBlock

public MemoryBlock()

MemoryBlock

public MemoryBlock(com.hazelcast.internal.memory.GlobalMemoryAccessor memoryAccessor)

MemoryBlock

public MemoryBlock(long address,
                   int size)

MemoryBlock

protected MemoryBlock(com.hazelcast.internal.memory.GlobalMemoryAccessor memoryAccessor,
                      long address,
                      int size)

Method Detail

readByte

public final byte readByte(long offset)

writeByte

public final void writeByte(long offset,
                            byte value)

readInt

public final int readInt(long offset)

writeInt

public final void writeInt(long offset,
                           int value)

readLong

public final long readLong(long offset)

writeLong

public final void writeLong(long offset,
                            long value)

readChar

public final char readChar(long offset)

writeChar

public final void writeChar(long offset,
                            char value)

readDouble

public final double readDouble(long offset)

writeDouble

public final void writeDouble(long offset,
                              double value)

readFloat

public final float readFloat(long offset)

writeFloat

public final void writeFloat(long offset,
                             float value)

readShort

public final short readShort(long offset)

writeShort

public final void writeShort(long offset,
                             short value)

copyFromByteArray

public final void copyFromByteArray(long destinationOffset,
                                    byte[] source,
                                    int offset,
                                    int length)

Copies bytes from source byte-array to this MemoryBlock.

Parameters:

destinationOffset - offset in this MemoryBlock

source - source byte-array to copy from

offset - offset in source byte-array

length - number of bytes to copy

Throws:

IndexOutOfBoundsException

copyFrom

public final void copyFrom(long destinationOffset,
                           Object source,
                           long offset,
                           int length)

Copies bytes from source object to this MemoryBlock.

Parameters:

destinationOffset - offset in this MemoryBlock

source - source object to copy from

offset - offset in source object

length - number of bytes to copy

Throws:

IndexOutOfBoundsException

copyToByteArray

public final void copyToByteArray(long sourceOffset,
                                  byte[] destination,
                                  int offset,
                                  int length)

Copies bytes from this MemoryBlock to given byte-array.

Parameters:

sourceOffset - offset in this MemoryBlock

destination - destination byte-array to copy to

offset - offset in destination byte-array

length - number of bytes to copy

Throws:

IndexOutOfBoundsException

copyTo

public final void copyTo(long sourceOffset,
                         Object destination,
                         long offset,
                         int length)

Copies bytes from this MemoryBlock to given destination object.

Parameters:

sourceOffset - offset in this MemoryBlock

destination - destination object to copy to

offset - offset in destination object

length - number of bytes to copy

Throws:

IndexOutOfBoundsException

zero

public final void zero()

address

public final long address()

size

public final int size()

setAddress

protected final void setAddress(long address)

setSize

protected final void setSize(int size)

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object